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參數(shù)資料
| 型號： | NCP1422MNR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 800 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, DFN-10 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 142K |
| 代理商： | NCP1422MNR2G |
NCP1422
http://onsemi.com
6
TYPICAL OPERATING CHARACTERISTICS
10
5
5
10
1
100
1000
V
OUT
= 3.3 V
L = 5.6 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
0
1.5
10
20
30
40
50
1.7
BATTERY INPUT VOLTAGE, V
BATT
/V
1.9
2.1
2.3
2.5
Figure 8. Output Voltage Change vs. Load Current
Figure 9. Output Voltage Change vs. Load Curren
Figure 10. Battery Input Voltage vs. Output Ripple
Voltage
Figure 11. Low Battery Detect
Figure 12. No Load Operating Current vs. Input
Voltage at OUT Pin
V
IN
= 2.0 V
V
IN
= 2.5 V
0
OUTPUT LOADING CURRENT, I
LOAD
/mA
O
10
5
5
10
1
100
1000
V
OUT
= 5.0 V
L = 5.6 H
C
IN
= 22 F
C
OUT
= 33 F
T
A
= 25 C
V
IN
= 3.3 V
V
IN
= 1.5 V
0
OUTPUT LOADING CURRENT, I
LOAD
/mA
O
V
IN
= 2.5 V
300 mA
R
R
/
p
100 mA
500 mA
V
IN
= 2.5 V
V
OUT
= 3.3 V
L = 6.8 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
Upper Trace:
Input Voltage Waveform, 1.0 V/Division
Lower Trace: Output Voltage Waveform, 2.0 V/Division
Figure 13. Startup Transient Response
2.5
5.0
7.5
10
12.5
15
1.5
2.0
2.5
3.0
3.5
5.0
INPUT VOLTAGE AT OUT PIN, V
OUT
/V
N
B
/
4.0
4.5
Upper Trace:
Voltage at LBI Pin, 1.0 V/Division
Lower Trace: Voltage at LBO Pin, 1.0 V/Division
V
IN
= 2.5 V
V
OUT
= 5.0 V
I
LOAD
= 10 mA
10
10
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